lvs+keepalived双主模式高可用集群

tilg

LVS使用DR模式，Keepalived作高可用，以前部署lvs+keepalived的时候全都是一主一被，看了抚琴煮酒老师的Nginx互为主备模式，也就试着把lvs搭建成双主模式，测试方法：停止任意一台keepalived服务器，在当前服务器上的VIP就会自动漂到另一台服务器
这样两个VIP使用两个外网IP的80端口，映射到一个域名上
缺点：使用了两个外网ip，浪费了部分资金
####################################


web服务器
[iyunv@localhost~]vim /etc/rc.d/realserver.sh
#!/bin/bash
#description: Config realserver lo and apply noarp
vip1=192.168.5.253
vip2=192.168.5.254
case"$1" in
start)
ifconfig lo:0 $vip1 netmask 255.255.255.0
ifconfi lo:1 $vip2 netmask 255.255.255.0
echo"1" >/proc/sys/net/ipv4/conf/lo/arp_ignore
echo"2" >/proc/sys/net/ipv4/conf/lo/arp_announce
echo"1" >/proc/sys/net/ipv4/conf/all/arp_ignore
echo"2" >/proc/sys/net/ipv4/conf/all/arp_announce
sysctl-p >/dev/null 2>&1
echo"RealServer Start OK"
;;
stop)
ifconfig lo:0 down
ifconfig lo:1 down
echo"0" >/proc/sys/net/ipv4/conf/lo/arp_ignore
echo"0" >/proc/sys/net/ipv4/conf/lo/arp_announce
echo"0" >/proc/sys/net/ipv4/conf/all/arp_ignore
echo"0" >/proc/sys/net/ipv4/conf/all/arp_announce
echo"RealServer Stoped"
;;
*)
echo"Usage: $0 {start|stop}"
exit1
esac
exit0
[iyunv@localhost~]/usr/rc.d/realserver.sh start
[iyunv@localhost~]echo /usr/rc.d/realserver.sh start >> /etc/rc.local
#################################################
LVS+KeepalivedMaster
######################keepalived.conf####################
! Configuration File for keepalived
global_defs {
   notification_email {
   jqbash@gmail.com
}
   notification_email_from root@localhost
   smtp_server 127.0.0.1
   smtp_connect_timeout 30
   router_id Web-HA
}
vrrp_instance VI_1 {
    state MASTER
    interface eth0
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        192.168.5.253/24 dev eth0
    }
}
virtual_server 192.168.5.253 80 {
    delay_loop 6
    lb_algo rr
    lb_kind DR
    persistence_timeout 50
    protocol TCP
    real_server 192.168.5.50 80 {
    weight 100
        TCP_CHECK {
                connect_timeout 3
                nb_get_retry 3
                delay_before_retry 3
                connect_port 80
                }
        }
    real_server 192.168.5.60 80 {
    weight 100
        TCP_CHECK {
                connect_timeout 3
                nb_get_retry 3
                delay_before_retry 3
                connect_port 80
                }
        }
}
vrrp_instance VI_2 {
    state BACKUP
    interface eth0
    virtual_router_id 52
    priority 80
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        192.168.5.254/24 dev eth0
    }
}
virtual_server 192.168.5.254 80 {
    delay_loop 6
    lb_algo rr
    lb_kind DR
    persistence_timeout 50
    protocol TCP
    real_server 192.168.5.50 80 {
    weight 100
        TCP_CHECK {
                connect_timeout 3
                nb_get_retry 3
                delay_before_retry 3
                connect_port 80
                }
        }
    real_server 192.168.5.60 80 {
    weight 100
        TCP_CHECK {
                connect_timeout 3
                nb_get_retry 3
                delay_before_retry 3
                connect_port 80
                }
        }
}
######################################################
[iyunv@localhost~]service keepalived start
[iyunv@localhost~]chkconfig keepalived on
[iyunv@localhost~]ip addr
1:lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue
link/loopback00:00:00:00:00:00 brd 00:00:00:00:00:00
inet127.0.0.1/8 scope host lo
inet6::1/128 scope host
valid_lftforever preferred_lft forever
2:eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdiscpfifo_fast qlen 1000
link/ether00:24:1d:86:18:2c brd ff:ff:ff:ff:ff:ff
inet192.168.5.3/24 brd 192.168.5.255 scope global eth0
inet192.168.5.253/24 scope global secondary eth0
inet6fe80::224:1dff:fe86:182c/64 scope link
valid_lftforever preferred_lft forever
3:sit0: <NOARP> mtu 1480 qdisc noop
link/sit0.0.0.0 brd 0.0.0.0
########################################################
LVS+KeepalivedBackup
--------------------------------------
######################keepalived.conf####################
! Configuration File for keepalived
global_defs {
   notification_email {
   jqbash@gmail.com
}
   notification_email_from root@localhost
   smtp_server 127.0.0.1
   smtp_connect_timeout 30
   router_id Web/MySql-HA
}
vrrp_instance VI_1 {
    state BACKUP
    interface eth0
    virtual_router_id 51
    priority 80
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        192.168.5.253/24 dev eth0
    }
}
virtual_server 192.168.5.253 80 {
    delay_loop 6
    lb_algo rr
    lb_kind DR
    persistence_timeout 50
    protocol TCP
    real_server 192.168.5.50 80 {
    weight 100
        TCP_CHECK {
                connect_timeout 3
                nb_get_retry 3
                delay_before_retry 3
                connect_port 80
                }
        }
    real_server 192.168.5.60 80 {
    weight 100
        TCP_CHECK {
                connect_timeout 3
                nb_get_retry 3
                delay_before_retry 3
                connect_port 80
                }
        }
}
vrrp_instance VI_2 {
    state MASTER
    interface eth0
    virtual_router_id 52
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        192.168.5.254/24 dev eth0
    }
}
virtual_server 192.168.5.254 80 {
    delay_loop 6
    lb_algo rr
    lb_kind DR
    persistence_timeout 50
    protocol TCP
    real_server 192.168.5.50 80 {
    weight 100
        TCP_CHECK {
                connect_timeout 3
                nb_get_retry 3
                delay_before_retry 3
                connect_port 80
                }
        }
    real_server 192.168.5.60 80 {
    weight 100
        TCP_CHECK {
                connect_timeout 3
                nb_get_retry 3
                delay_before_retry 3
                connect_port 80
                }
        }
}
#################################################################
[iyunv@localhost~]service keepalived start
[iyunv@localhost~]chkconfig keepalived on
[iyunv@localhost~]ip addr
1:lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue
link/loopback00:00:00:00:00:00 brd 00:00:00:00:00:00
inet127.0.0.1/8 scope host lo
inet6::1/128 scope host
valid_lftforever preferred_lft forever
2:eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdiscpfifo_fast qlen 1000
link/ether00:24:1d:86:18:2c brd ff:ff:ff:ff:ff:ff
inet192.168.5.4/24 brd 192.168.5.255 scope global eth0
inet192.168.5.254/24 scope global secondary eth0
inet6fe80::224:1dff:fe86:182c/64 scope link
valid_lftforever preferred_lft forever
3:sit0: <NOARP> mtu 1480 qdisc noop
link/sit0.0.0.0 brd 0.0.0.0

lilingjie2015

长得真有创意，活得真有勇气!

lb20309

怀揣两块，胸怀500万！

archer05

床上运动也可以减肥的，你们都不知道吗？

gmdzxx

内练一口气，外练一口屁。

赤色烙印

你的丑和你的脸没有关系。。。。。。

linghaiyan

修养的艺术,其实就是说谎的艺术。